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| Part Number | NXH3670UK/A1Z |
| Description | IC MCU BLE HEADPHONE AUDIO WLCSP |
| Manufacturer | NXP USA Inc. |
| Series | - |
| Part Status | Active |
| Type | TxRx + MCU |
| RF Family/Standard | Bluetooth |
| Protocol | Bluetooth v4.1 |
| Modulation | GFSK |
| Frequency | 2.36GHz ~ 2.5GHz |
| Data Rate (Max) | 2Mbps |
| Power - Output | 4dBm |
| Sensitivity | -94dBm |
| Memory Size | 96kB RAM, 128kB ROM |
| Serial Interfaces | GPIO, I²S, SPI, UART |
| GPIO | - |
| Voltage - Supply | 1.14V ~ 1.26V |
| Current - Receiving | 7mA |
| Current - Transmitting | 10mA |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Package / Case | 34-XFBGA, WLCSP |